Renewable Energy Series: Biomass, Wave, And Tidal | Answers With Joe - YoutubeRandom

Renewable Energy Series: Biomass, Wave, And Tidal | Answers With Joe

In the 2nd part of the renewable energy series, I discuss Biomass, Wave, and Tidal energy solutions.
NOTE: Yes, I put kwh when I meant twh. I suck.

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Tidal time lapse: On the Coast Photography

Tidal Barrage: Allaboutrenewables

Tidal Stream: Maygenuk

Dynamic Tidal Power: DPI Animation House


Biomass involves burning or extracting energy from biological material, like plant matter and organic waste, and yes, wood.

And while burning trees doesn’t sound that green, it is considered carbon neutral because the carbon in the plant matter was already a part of the carbon cycle, whereas fossil fuels release carbon that’s been sequestered in the ground for millions of years.

Now there are a lot of different types of biomass, from incinerators that burn the material to biofuel production that creates diesel for transportation to chemical processes to create usable methane, and they vary widely in their efficiency and sustainability.

So while it’s not the greenest energy source, it is a plentiful fuel that can provide base load electricity for local communities.

Now, if you live by the ocean, you’re familiar with the rhythmic pattern of waves crashing on the beach all day and night. There’s a lot of wave energy out there.

The idea is, the surface of the ocean is constantly bobbing and shifting from ocean waves, why not use that motion to generate energy?

It seems like a great idea. 71% of the world is covered by a constantly moving and oscillating ocean, harnessing that energy seems like a no-brainer.

Except nobody’s really figured it out.

There have been a lot of ideas that have been tested, but none of them have really produced enough to implement on a large scale.

In fact, the most efficient wave energy generators would require 25 kilometers of coastline to produce one gigawatt of energy.

And estimates have placed the worldwide wave energy potential at current technologies at 2 terawatt hours per year.

Staying in the ocean, a much better option is tidal energy.

Even though it does it day in and day out like clockwork, it is considered intermittent because there are lags between the tides going in and out where they’re not producing power.

So they call it intermittent but predictable.

Right now there are two types of tidal power systems, Tidal barrage and tidal stream generators.

Tidal barrage systems basically build a dam or bridge over the opening to bays and ports where tides rush in twice a day and capture that energy as it passes through the structure, turning turbines in the process.

Tidal stream generators are basically like wind turbines on the sea floor in areas where the moving tide will turn the turbines.

There is however a third type of tidal energy that hasn’t really been put into practice but holds a lot of potential called dynamic tidal power.

For this, we would build enormous 50km long dams that stick straight out from a coastline, forcing the oncoming tide to go through the structure and turn turbines.

This would work especially well in areas where the tide travels parallel with the coastline, such as southeast asia and northern Europe.

There are a few projects in the works to try this out, but this would be a massive engineering project.

The good thing about tidal power is it happens every day and it’ll never stop, and it’s effective even at low speeds.

They also have very long lifespans. The first one was build in La Rance in France in 1966 and it’s still working.

The downside is that it’s expensive, only works in certain areas, and the estimated worldwide potential is only 700 TWh a year. Again, we consume 21,000 so it’s not going to really move the needle.

But it can serve as a supplementary energy resource to the areas that can use it. Whether or not that is enough to spur investments necessary to build more tidal stations, we’ll see.

Random YouTube Video Generator

 This site provides links to random videos hosted at YouTube, with the emphasis on random.

 The original idea for this site actually stemmed from another idea to provide a way of benchmarking the popularity of a video against the general population of YouTube videos. There are probably sites that do this by now, but there wasn’t when we started out. Anyway, in order to figure out how popular any one video is, you need a pretty large sample of videos to rank it against. The challenge is that the sample needs to be very random in order to properly rank a video and YouTube doesn’t appear to provide a way to obtain large numbers of random video IDs.

 Even if you search on YouTube for a random string, the set of results that will be returned will still be based on popularity, so if you’re using this approach to build up your sample, you’re already in trouble. It turns out there is a multitude of ways in which the YouTube search function makes it very difficult to retrieve truly random results.

 So how can we provide truly random links to YouTube videos? It turns out that the YouTube programming interface (API) provides additional functions that allow the discovery of videos which, with the right approach, are much more random. Using a number of tricks, combined some subtle manipulation of the space-time fabric, we have managed to create a process that yields something very close to 100% random links to YouTube videos.

 YouTube is an American video-sharing website headquartered in San Bruno, California. YouTube allows users to upload, view, rate, share, add to playlists, report, comment on videos, and subscribe to other users. It offers a wide variety of user-generated and corporate media videos. Available content includes video clips, TV show clips, music videos, short and documentary films, audio recordings, movie trailers, live streams, and other content such as video blogging, short original videos, and educational videos. Most content on YouTube is uploaded by individuals, but media corporations including CBS, the BBC, Vevo, and Hulu offer some of their material via YouTube as part of the YouTube partnership program. Unregistered users can only watch videos on the site, while registered users are permitted to upload an unlimited number of videos and add comments to videos. Videos deemed potentially inappropriate are available only to registered users affirming themselves to be at least 18 years old.

 YouTube and selected creators earn advertising revenue from Google AdSense, a program which targets ads according to site content and audience. The vast majority of its videos are free to view, but there are exceptions, including subscription-based premium channels, film rentals, as well as YouTube Music and YouTube Premium, subscription services respectively offering premium and ad-free music streaming, and ad-free access to all content, including exclusive content commissioned from notable personalities. As of February 2017, there were more than 400 hours of content uploaded to YouTube each minute, and one billion hours of content being watched on YouTube every day. As of August 2018, the website is ranked as the second-most popular site in the world, according to Alexa Internet, just behind Google. As of May 2019, more than 500 hours of video content are uploaded to YouTube every minute.

 YouTube has faced criticism over aspects of its operations, including its handling of copyrighted content contained within uploaded videos, its recommendation algorithms perpetuating videos that promote conspiracy theories and falsehoods, hosting videos ostensibly targeting children but containing violent and/or sexually suggestive content involving popular characters, videos of minors attracting pedophilic activities in their comment sections, and fluctuating policies on the types of content that is eligible to be monetized with advertising.

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